Improvement in car-couplings



G. F. J SON.

CAR-C 1m. No.184,3v83, Patented Nov. 14, 1876.

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G. F. JACKSON. v I CAR-COUPLING."

BIO-184,383. Patented Nov.14, 1876.

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GEORGE F. JACKSON, OF OSOEOLA, IOWA.

IMPROVEMENT IN CAR-COUPLINGS.

Specification forming part of Letters Patent No. 184,383, dated November 14, 1876; application filed September16, 1876.

To all whom it may concern Be it known that I, GEORGE FRANK J ACK- SON, of Osceola, in the county of Clark and State of Iowa, have invented a new and valuable Improvement in Gar-Couplings; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawings, making a part of this specification, and to the letters and figures of reference marked thereon.

Figure 1 of the drawings is arepresentation of a front elevation, part sectional, of my carcoupling. Fig. 2 is a longitudinal vertical sectional view, and Fig. 3 is a horizontal sectional view, of the same. Figs. 4 and 5 are detail views thereof.

This invention relates to car-couplings and it consists in the devices hereinafter particularly set forth and claimed.

In the annexed drawings, A designates the end of a railroad-car, and B a draw-head secured thereto. Said draw-head is provided with the usual flaring mouth I), which communicates with the inner cylindrical chamber B that receives one end of the coupling-link or coupling-bar O. Said chamber B is 'provided with a rearward extension, B in which is a helical spring, D, that operates to force forward a sliding block, E, against the inner end of coupling link or bar 0. Said sliding block is constructed with a guide-stud or guide-pin, e, on its upper side, which guidepin sets into a longitudinal recess, b, on the inside of said draw-head, and communicating with the upper part of chamber B The said longitudinal recess and guide-pin operate to prevent said sliding block from turning as it moves backward and forward. Coupling bar or link 0 is constructed with a long straight shank, c, and two arrowhead-shaped ends, 0 O. F designates a bifurcated couplingpin, the forked lower ends f f of which rise and fall vertically through two pin-holes, f f extending from the top .to the bottom of draw-head B. Said coupling-pin F is provided, near its upper end, with a guide loop or staple, f which slides vertically upon a standard or upright rod, G, that is secured to the top of said draw-head. Said standard is provided, at the top, with a lug, g, which presistance of said spring D, and causing said bifuroatedcoupling-pin F to drop. The forked ends ff of said coupling-pin then fall on both sides of coupling link or bar 0, beyond said head 0, so as to prevent said bar or link from being withdrawn, and thereby to complete the coupling. The draft is transmitted, through said arrowhead-shaped end 0 and said bifurcated coupling-pin, to said car A. When the pressure is withdrawn from the outer end of said link, the outward pressure of said spring D, in combination with the resistance of said bifurcated coupling-pin F, operates to keep the said link in a horizontal position, so as to enter, if desired, an opposite draw-head. Said coupling bar or link may be held by either end for coupling. When said bifurcated couplingpin F is withdrawn from said draw-head, theforce of spring D will expel said couplingv link or bar therefrom. An easy method of removal for cleansing or other purposes is thus provided. This withdrawal of said bifurcated coupling-pin is accomplished by means of a vertical rod, H, provided with a rigid horizontal arm, h, at or near its bottom, said arm being secured to said bifurcated coupling-pin. Said rod H extends to the top of the car, or as high as may be desired, is provided at the top with a handle, h and is adapted to move vertically in guide-staples h h which are secured to said car end A. Said vertical rod is also operated by means of a transverse lever, (pivotally connected to said rod,) I, which lever is pivoted by stud or pin 2' to the said end A of the car-body, and is provided with a 1ongitudinal slot, 41, (in which said stud or pin '1; sets,) to allow said transverse lever to accommodate its movements to those of vertical rod H without straining or binding. Said lever I may be operated from the side of the car, as

ver, operates to hold said pin out of said draw-head. ,Said bifurcated pin rests upon the top of slide E until said slide is forced back so as to let it fall, as described.

What I claim as new, and desire to secure by Letters Patent, is-

The combination of the bifurcated couplingpin F, coupling-bar O, draw-head B, sliding block E, spring D, vertical rod H, and levers I J, substantially as and for the purpose set forth. 1

In testimony that I claim the above I have hereunto subscribed my name in the presence of two witnesses.

GEORGE FRANK JACKSON. Witnesses:

JAMES Bron, J. M. FENN. 

